CN209173693U - A kind of hydrochloric acid continous way mechanized production system - Google Patents
A kind of hydrochloric acid continous way mechanized production system Download PDFInfo
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- CN209173693U CN209173693U CN201821878182.2U CN201821878182U CN209173693U CN 209173693 U CN209173693 U CN 209173693U CN 201821878182 U CN201821878182 U CN 201821878182U CN 209173693 U CN209173693 U CN 209173693U
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- hydrochloric acid
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Abstract
The utility model discloses a kind of hydrochloric acid continous way mechanized production systems, including multistage hydrochloric acid production unit, every grade hydrochloric acid production unit includes concatenated film-falling absorption tower and transfer tank, first order film-falling absorption tower air inlet is connected to hydrogen chloride gas conveyance conduit, first order transfer tank acid mouth is connected with the acid output pipeline for leading to hydrochloric acid tank, and the water inlet of the transfer tank in afterbody hydrochloric acid production unit is connected to water inlet line；The outlet of previous stage transfer tank residual air is connected by residual air pipeline with the air inlet of rear stage film-falling absorption tower, afterbody transfer tank residual air outlet to residual air recycling can；Rear stage transfer tank acid mouth is respectively connected to the recycle acid import of the acid inlet and the same level film-falling absorption tower of previous stage transfer tank；The circulating line that first order transfer tank is connected to film-falling absorption tower is equipped with tuning fork densimeter, and acid output pipeline is equipped with sour regulating valve.The utility model can be realized the continous way production of hydrochloric acid, and hydrochloric acid product quality is stablized.
Description
Technical field
The utility model relates to a kind of hydrochloric acid continous way mechanized production system, be suitable for hydrogen chloride absorption production hydrochloric acid,
Various production by-product hydrochloric acids and synthetic hydrochloric acid.
Background technique
Currently, hydrogen chloride absorption production hydrochloric acid mostly uses batch-type to produce, producers need constantly detection concentration of hydrochloric acid
It carries out going out acid in batches, it is time-consuming and laborious, and finished product hydrochloric acid exports transfer tank, has differences between batch, unstable quality；Synthesize salt
Acid absorption mostly uses the series connection of multi-stage absorption tower once at acid, it is also desirable to which continuous sample detection concentration of hydrochloric acid manually adjusts hydrogen chloride
With the ratio of water；Due to synthesizing sour technique once into acid, water is less than hydrogen chloride, and hydrogen chloride remnants are more, still need to follow-up equipment
It adsorbs again, the device is complicated, needs artificial frequently detection.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies in the prior art and provide a kind of hydrochloric acid continous way from
Dynamicization production system can be realized the continous way production of hydrochloric acid, and hydrochloric acid product quality is stablized.
In order to solve the above technical problems, technical solution adopted in the utility model is:
A kind of hydrochloric acid continous way mechanized production system, including multistage hydrochloric acid production unit, every grade hydrochloric acid production unit are equal
Film-falling absorption tower comprising series connection and transfer tank, wherein film-falling absorption tower air inlet is connected in the first grade hydrochloric acid production unit
Hydrogen chloride gas conveyance conduit, the transfer tank acid mouth in the first grade hydrochloric acid production unit be connected with lead to hydrochloric acid tank go out acid
The water inlet of pipeline, the transfer tank in afterbody hydrochloric acid production unit is connected to water inlet line；
Transfer tank residual air outlet in previous grade hydrochloric acid production unit passes through residual air pipeline and rear stage film-falling absorption tower
Air inlet is connected, and the transfer tank residual air outlet in afterbody hydrochloric acid production unit is connected to residual air by residual air recovery channel and returns
Closed cans；
Transfer tank acid mouth in latter grade hydrochloric acid production unit divides two-way to be respectively connected to previous grade hydrochloric acid production unit
In transfer tank acid inlet and the same level film-falling absorption tower recycle acid import；
Be provided on the circulating line that transfer tank in first grade hydrochloric acid production unit is connected to film-falling absorption tower for
Line monitors the tuning fork densimeter of hydrochloric acid density, and the level-one opened after hydrochloric acid density is up to standard is provided on acid output pipeline and goes out sour adjust
Valve；The output end of the tuning fork densimeter is connected to the signal acquisition terminal of plant area's DCS system, and the signal output end of DCS system connects
Connect the controlled end that level-one goes out sour regulating valve.
Further, the transfer tank top in previous grade hydrochloric acid production unit is provided with the radar liquid being connected with DCS system
Position is counted, and is provided on the lateral of two transfer tanks of connection in two-stage neighboring hydrochloric acid production unit and is connected with DCS system and uses
In the sour regulating valve that goes out of control hydrochloric acid flow, the sour regulating valve that goes out in latter grade hydrochloric acid production unit is produced according to previous grade hydrochloric acid
The liquid level signal of radar level gauge detection in unit opens and closes under the instruction of DCS system.
Further, sour flowmeter is additionally provided with out on the acid output pipeline.
Further, the residual air recycling can is alkali liquid tank.
Further, film-falling absorption tower there are two being set side by side in each grade hydrochloric acid production unit.
Further, cooling subsystem, the condensed water water inlet line of cooling subsystem are additionally provided in the production system
The collet water inlet of film-falling absorption tower in each grade hydrochloric acid production unit, film-falling absorption tower collet are connected to by lateral respectively
Water outlet the condensed water outlet conduit of cooling subsystem is connected to by pipeline.
The beneficial effects of adopting the technical scheme are that
The utility model uses continuous production, to concentration of hydrochloric acid real-time monitoring, so that differences between batches are eliminated, hydrochloric acid product
Quality is stablized；It is cascaded and is produced using same unit, equipment route is simple, convenient for installation and maintenance；Hydrogen chloride gas by multistage absorption,
Reaction is abundant；Every grade of absorption is made of film-falling absorption tower and transfer tank, and long-range radar level is installed in each transfer tank top
Meter adjusts rear stage transfer tank forward using the regulating valve sour out on the Liquid level rear stage transfer tank of previous stage transfer tank
The acid intake amount of level-one transfer tank controls the liquid level of every level-one transfer tank all in the same horizontal line, guarantees that stablizing for hydrochloric acid produces
Out.Tuning-fork type densitometer is installed on the circulating line of the reaction first order, Always Online" monitors the density of hydrochloric acid.Go out acid in hydrochloric acid
Long-range flowmeter sour out is installed on pipeline, the flow of hydrochloric acid is monitored, feeds back to DCS system, according to the big minor adjustment of hydrochloric acid flow
The uninterrupted of raw water.
The utility model is suitable for hydrogen chloride absorption production hydrochloric acid, various production by-product hydrochloric acids and synthetic hydrochloric acid, can
The continous way production for realizing hydrochloric acid, has prevented the cumbersome of artificial detection, has been better than batch-type production technology.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, stage falling-film absorption tower, 2, level-one transfer tank, 3, second level film-falling absorption tower, 4, second level transfer tank, 5, three
Grade film-falling absorption tower, 6, three-level transfer tank, 7, tuning fork densimeter, 8, level-one go out sour valve, 9, go out sour flowmeter, 10, hydrochloric acid storage
Tank, 11, level-one radar level gauge, 12, discharging pump, 13, acid output pipeline, 14, site pressure table, 15, primary cycle pump, 16, two
Grade circulating pump, 17, three-level circulating pump, 18, second level go out sour regulating valve, 19, three-level go out sour regulating valve, 20, water inlet line, 21, remaining
Gas recycling can, 22, second level radar level gauge, the 23, first lateral, 24, third lateral, 25, hydrogen chloride gas conveying
Pipeline, 26, condensed water water inlet line, 27, condensed water outlet conduit.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
As shown in Figure 1, the utility model discloses a kind of hydrochloric acid continous way mechanized production systems, including with air inlet
Mouthful, condensation water inlet, condensation-water drain, recycle acid import and acid discharge mouth level-one to three-level film-falling absorption tower 1,3,5, have into
The level-one of sour mouth (afterbody is water inlet), residual air outlet and acid mouth is to three-level transfer tank 2,4,6 and DCS system；One
There are two grade to three-level film-falling absorption tower 1,3,5 is respectively set side by side.The acid discharge mouth on stage falling-film absorption tower 1 by conveyance conduit with
The acid inlet of level-one transfer tank 2 is connected, and the acid mouth of level-one transfer tank 2, which is connected with, leads to hydrochloric acid tank 10 and be equipped with discharging pump 12
Acid output pipeline 13, sour flowmeter 9 is additionally provided with out on acid output pipeline 13.The acid mouth of level-one transfer tank 2 is also by being equipped with one
The primary cycle pipeline of grade circulating pump 15 is connected with the recycle acid import on stage falling-film absorption tower 1, and the residual air of level-one transfer tank 2 goes out
Mouth is connected by level-one residual air pipeline with the air inlet of second level film-falling absorption tower 3；The acid discharge mouth of second level film-falling absorption tower 3 passes through defeated
Pipeline and the acid inlet of second level transfer tank 4 is sent to be connected, the acid mouth of second level transfer tank 4 is connected with two equipped with secondary cycle pump 16
Grade circulating line, and the end of the secondary cycle pipeline on the one hand pass through the first lateral 23 and level-one transfer tank 2 into
Sour mouth is connected, on the other hand passes through second branched pipe road is connected with the recycle acid import of second level film-falling absorption tower 3, second level transfer tank
4 residual air outlet is connected by second level residual air pipeline with the air inlet of three-level film-falling absorption tower 5；The row of three-level film-falling absorption tower 5
Sour mouth is connected by conveyance conduit with the acid inlet of three-level transfer tank 6, and the acid mouth of three-level transfer tank 6 is connected with to be followed equipped with three-level
The three-level circulating line of ring pump 17, and on the one hand passing through third lateral 24 passes through second level for the end of the three-level circulating line
The acid inlet of transfer tank 4 is connected, on the other hand by the recycle acid import phase of the 4th lateral and three-level film-falling absorption tower 5
Even, the residual air of three-level transfer tank 6 outlet is connected with the residual air recovery channel for leading to residual air recycling can 21, three-level transfer tank 6 into
The mouth of a river is connected with water inlet line 20.Residual air recycling can 21 is alkali liquid tank.
Since the production process of hydrochloric acid is exothermal reaction process, for the working efficiency for improving film-falling absorption tower, this is practical new
Type is also provided with cooling subsystem, and cooling subsystem includes parallel arrangement of cooling water inlet pipe road and condensed water outlet conduit.
The water inlet of collet of level-one to three-level film-falling absorption tower 1,3,5 passes through corresponding lateral respectively and is connected to cooling subsystem
Cooling water inlet pipe road 26, collet water outlet pass through respectively corresponding pipeline be connected to cooling subsystem condensed water water outlet
Pipeline 27.Site pressure table 14 is additionally provided in level-one to each output channel of three-level transfer tank 2,4,6.
The tuning fork densimeter 7 for monitoring hydrochloric acid density on-line and being connected with DCS system is provided on primary cycle pipeline,
It is provided on acid output pipeline 13 and is connected with DCS system and goes out sour regulating valve 8 in the hydrochloric acid density rear level-one opened up to standard；In level-one
The top for turning tank 2 is provided with the level-one radar level gauge 11 being connected with DCS system, is provided on the first lateral 23 and DCS
The second level for the Liquid level uninterrupted that system is connected and is detected according to level-one radar level gauge 11 goes out sour regulating valve 18；In second level
The top for turning tank 4 is provided with the second level radar level gauge 22 being connected with DCS system, is provided on third lateral 24 and DCS
System is connected and the three-level of Liquid level uninterrupted that is detected according to second level radar level gauge 22 goes out sour regulating valve 19, in three-level
The top for turning tank 6 is provided with the three-level radar level gauge being connected with DCS system.
The utility model is a kind of continous way hydrochloric acid production system, and raw material hydrogen chloride gas is by hydrogen chloride gas conveyance conduit
25 are delivered in the stage falling-film absorption tower 1 of the first grade hydrochloric acid production unit, and into production system, and the order reaction is remaining
Hydrogen chloride gas to the second level film-falling absorption tower 3 of the second grade hydrochloric acid production unit convey, raw water by the third level three-level transfer
The water inlet of tank 6 enters production system, and on the one hand raw water or the low-concentration hcl of generation are inhaled to the three-level falling liquid film of the same level
5 circulation conveying of tower is received, is on the other hand conveyed again to the second level transfer tank 4 of the second level, finally in the first grade hydrochloric acid production unit
The hydrochloric acid of high concentration is generated in level-one transfer tank 2.It is connected to the acid mouth of level-one transfer tank 2 and leads to stage falling-film absorption tower 1
Primary cycle pipeline on be provided with tuning fork densimeter 7, tuning fork densimeter 7 for detecting hydrochloric acid density and feeding back to DCS system,
If controlling the level-one on acid output pipeline 13 after DCS system detects that the hydrochloric acid density in level-one transfer tank 2 reaches setting value
Sour valve 8 is opened out, then the metering by going out sour flowmeter 9, will be up to standard after hydrochloric acid squeeze into hydrochloric acid tank 10.Concentration of hydrochloric acid reaches
It is to close that mark previous stage, which goes out sour valve 8,.Hereafter, raw material hydrogen chloride gas and raw water continuously input production system, reach simultaneously
Hydrochloric acid after mark is continuously conveyed to hydrochloric acid tank 10, has reached the continuous automatic production of hydrochloric acid, avoids artificial cumbersome life
It produces detection and leads tank repeatedly.
The utility model produces hydrochloric acid by the way of continuous and automatic, compared with the mode of hydrochloric acid batch production, (1) by
Then continuous production, finished product hydrochloric acid do not need to lead tank repeatedly to hydrochloric acid tank, therefore avoid that employee excessively malfunctions and danger connects
Touching problem；(2) it can also be solved to concentration of hydrochloric acid real-time monitoring, to eliminate differences between batches because of frequency when continous way produces
The different problem of hydrochloric acid finished product index caused by numerous tank switching；(2) due to being continuous production, hydrogen chloride gas can be had by multistage
The absorption of effect solves the problems, such as finished product hydrochloric acid containing excessive free chlorine；(3) continous way production solves the volatile acid gas of hydrochloric acid and sky
Moisture content in gas, which combines, forms the problem of corrosivity acid mist is to human health and environmental pollution, also solves liquid alkaline due to excessively swimming
The problem for causing alkaline consumption excessively high from the acid gas that chlorine and hydrochloric acid evaporate.
The utility model installs long-range flowmeter 9 sour out on acid output pipeline 13, for monitoring the flow sour out of hydrochloric acid simultaneously
DCS system is fed back to, according to the uninterrupted of the big minor adjustment raw water of hydrochloric acid flow, the hydrochloric acid that continuous production concentration is 30%
When, the weight ratio of raw material hydrogen chloride gas and raw water is 31:69.
Raw material hydrogen chloride gas is by Oil-gas Separation: hydrogen is by cyclone separator inclusion diameter 5 in gas
The oil droplet of~10um isolates the hydrogen chloride containing micro oil body by rotating separation, collision, enters back into the oil gas full of filler point
From device, by further rotation, collision, weight difference is completely separated out the oil inside hydrogen chloride gas.Due to chlorine
Change hydrogen and easily absorb water, hydrogen chloride gas enters in absorption tower through the air inlet on stage falling-film absorption tower 1, meets chlorine using water
Change the characteristic that hydrogen easily absorbs, the 60-70% of hydrogen chloride gas total amount, the hydrochloric acid of generation are sponged in stage falling-film absorption tower 1
Enter level-one transfer tank 2 from the acid discharge mouth on stage falling-film absorption tower 1 by conveyance conduit, the hydrochloric acid ultimately produced is from stage falling-film
The acid mouth on absorption tower 1 is squeezed into hydrochloric acid tank 10 by acid output pipeline 13.Stage falling-film absorption tower 1 and level-one transfer tank 2 go out
The remaining hydrogen chloride gas come enters second level film-falling absorption tower 3 through level-one residual air pipeline and absorbs, and the hydrochloric acid of generation passes through delivery pipe
Road enters second level transfer tank 4, and the hydrochloric acid secondary cycle pump 16 of concentration 25% squeezes into level-one transfer tank 2 in second level transfer tank 4, and one
The liquid level feedback of online level-one radar level gauge 11 measurement of grade transfer tank 2 passes through the first branched pipe of chain control to DCS system
Second level on road 23 goes out sour regulating valve 18, and adjustment is driven into the acid amount out of level-one transfer tank 2, so that second level transfer tank 4 and level-one
The liquid level equilibrium of transfer tank 2.The remaining hydrogen chloride gas that second level film-falling absorption tower 3 and second level transfer tank 4 come out enters three-level drop
Film absorption tower 5 absorbs, and the hydrochloric acid three-level circulating pump 17 of the concentration 20% in three-level transfer tank 6 squeezes into second level transfer tank 4, second level
The second level radar level gauge 22 of transfer tank 4 goes out sour regulating valve by the three-level on DCS system chain control third lateral 24
19, the acid that goes out that control is driven into second level transfer tank 4 is measured, and makes the liquid level equilibrium of three-level transfer tank 6 and second level transfer tank 4.Three-level drop
Film absorption tower 5 and the remaining free hydrogen chloride gas of three-level transfer tank 6 are absorbed by lye again, are prevented the pollution of the environment.
Claims (6)
1. a kind of hydrochloric acid continous way mechanized production system, it is characterised in that: including multistage hydrochloric acid production unit, every grade hydrochloric acid is raw
The film-falling absorption tower and transfer tank that unit includes series connection are produced, wherein the film-falling absorption tower in the first grade hydrochloric acid production unit
Air inlet be connected to hydrogen chloride gas conveyance conduit, the acid mouth of the transfer tank in the first grade hydrochloric acid production unit, which is connected with, leads to
The water inlet of the acid output pipeline (13) of hydrochloric acid tank (10), the transfer tank in afterbody hydrochloric acid production unit is connected to water inlet line
(20)；
Transfer tank residual air outlet in previous grade hydrochloric acid production unit passes through in residual air pipeline and latter grade hydrochloric acid production unit
The air inlet of film-falling absorption tower is connected, and the transfer tank residual air outlet in afterbody hydrochloric acid production unit passes through residual air recovery channel
It is connected to residual air recycling can (21)；
Transfer tank acid mouth in latter grade hydrochloric acid production unit divides two-way to be respectively connected in previous grade hydrochloric acid production unit
The recycle acid import of the acid inlet and the same level film-falling absorption tower of transfer tank；
It is provided on the circulating line that transfer tank in first grade hydrochloric acid production unit is connected to film-falling absorption tower for supervising online
The tuning fork densimeter (7) of hydrochloric acid density is surveyed, the level-one opened after hydrochloric acid density is up to standard is provided on acid output pipeline (13) and goes out acid
Regulating valve (8)；The output end of the tuning fork densimeter (7) is connected to the signal acquisition terminal of plant area's DCS system, the letter of DCS system
Number output end connection level-one goes out the controlled end of sour regulating valve (8).
2. a kind of hydrochloric acid continous way mechanized production system according to claim 1, it is characterised in that: previous grade hydrochloric acid is raw
The transfer tank top produced in unit is provided with the radar level gauge being connected with DCS system, connects in two-stage neighboring hydrochloric acid production unit
The regulating valve sour out being connected with DCS system and for controlling hydrochloric acid flow is provided on the lateral of logical two transfer tanks, after
Go out sour regulating valve according to the liquid level of the radar level gauge detection in previous grade hydrochloric acid production unit in one grade hydrochloric acid production unit
Signal opens and closes under the instruction of DCS system.
3. a kind of hydrochloric acid continous way mechanized production system according to claim 1, it is characterised in that: the acid output pipeline
(13) sour flowmeter (9) is additionally provided with out on.
4. a kind of hydrochloric acid continous way mechanized production system according to claim 1, it is characterised in that: the residual air recycling
Tank (21) is alkali liquid tank.
5. a kind of hydrochloric acid continous way mechanized production system according to claim 1, it is characterised in that: each grade hydrochloric acid is raw
Produce film-falling absorption tower there are two being set side by side in unit.
6. a kind of hydrochloric acid continous way mechanized production system according to claim 1, it is characterised in that: the production system
In be additionally provided with cooling subsystem, the condensed water water inlet line of cooling subsystem passes through lateral respectively and is connected to each grade hydrochloric acid
The collet water inlet of film-falling absorption tower in production unit, the water outlet of film-falling absorption tower collet are connected to cooling subsystem by pipeline
The condensed water outlet conduit of system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821878182.2U CN209173693U (en) | 2018-11-15 | 2018-11-15 | A kind of hydrochloric acid continous way mechanized production system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821878182.2U CN209173693U (en) | 2018-11-15 | 2018-11-15 | A kind of hydrochloric acid continous way mechanized production system |
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| CN209173693U true CN209173693U (en) | 2019-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260901A (en) * | 2018-11-15 | 2019-01-25 | 石家庄东翔化工有限公司 | A kind of hydrochloric acid continous way mechanized production system |
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2018
- 2018-11-15 CN CN201821878182.2U patent/CN209173693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260901A (en) * | 2018-11-15 | 2019-01-25 | 石家庄东翔化工有限公司 | A kind of hydrochloric acid continous way mechanized production system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Bu He Inventor after: Bu Shuai Inventor after: Cao Jingwei Inventor after: Zhang Wang Inventor after: Li Xiaogang Inventor before: Bu Shuai Inventor before: Bu He |
|
| CB03 | Change of inventor or designer information |